Memory optimizations and supporting code for libmist changes.

src/input/input.cpp

@@ -187,7 +187,6 @@ namespace Mist {
     std::stringstream trackSpec;
     for (std::map<int, DTSC::Track>::iterator it = myMeta.tracks.begin(); it != myMeta.tracks.end(); it++) {
       DEBUG_MSG(DLVL_VERYHIGH, "Track %d encountered", it->first);
-      //selectedTracks.insert(it->first);
       if (trackSpec.str() != ""){
         trackSpec << " ";
       }
@@ -207,6 +206,10 @@ namespace Mist {
 
     while(lastPack){//loop through all
       int tid = lastPack.getTrackId();
+      if (!tid){
+        getNext(false);
+        continue;
+      }
       if (!bookKeeping.count(tid)){
         bookKeeping[tid].first = 1;
         bookKeeping[tid].curPart = 0;

src/output/output.cpp

@@ -56,10 +56,10 @@ namespace Mist {
   void Output::updateMeta(){
     //read metadata from page to myMeta variable
     if (streamIndex.mapped){
-      JSON::Value jsonMeta;
-      unsigned int i = 0;
-      JSON::fromDTMI((const unsigned char*)streamIndex.mapped + 8, streamIndex.len - 8, i, jsonMeta);
-      myMeta = DTSC::Meta(jsonMeta);
+      DTSC::Packet tmpMeta(streamIndex.mapped, streamIndex.len, true);
+      if (tmpMeta){
+        myMeta.reinit(tmpMeta);
+      }
     }
   }
   

src/output/output_hls.cpp

@@ -108,7 +108,7 @@ namespace Mist {
     bool IsKeyFrame = false;
     
     char * dataPointer = 0;
-    int dataLen = 0;
+    unsigned int dataLen = 0;
     currentPacket.getString("data", dataPointer, dataLen);
 
     if (currentPacket.getTime() >= until){

src/output/output_hss.cpp

@@ -79,7 +79,7 @@ namespace Mist {
       return;
     }
     char * dataPointer = 0;
-    int len = 0;
+    unsigned int len = 0;
     currentPacket.getString("data", dataPointer, len);
     HTTP_S.Chunkify(dataPointer, len, myConn);
   }

src/output/output_progressive_mp3.cpp

@@ -25,7 +25,7 @@ namespace Mist {
   
   void OutProgressiveMP3::sendNext(){
     char * dataPointer = 0;
-    int len = 0;
+    unsigned int len = 0;
     currentPacket.getString("data", dataPointer, len);
     myConn.SendNow(dataPointer, len);
   }

src/output/output_progressive_mp4.cpp

@@ -435,7 +435,7 @@ namespace Mist {
   void OutProgressiveMP4::sendNext(){
     static bool perfect = true;
     char * dataPointer = 0;
-    int len = 0;
+    unsigned int len = 0;
     currentPacket.getString("data", dataPointer, len);
     if (currentPacket.getTrackId() != sortSet.begin()->trackID || currentPacket.getTime() != sortSet.begin()->time){
       if (perfect){

src/output/output_rtmp.cpp

@@ -66,7 +66,7 @@ namespace Mist {
     char dataheader[] = {0, 0, 0, 0, 0};
     unsigned int dheader_len = 1;
     char * tmpData = 0;//pointer to raw media data
-    int data_len = 0;//length of processed media data
+    unsigned int data_len = 0;//length of processed media data
     currentPacket.getString("data", tmpData, data_len);
     DTSC::Track & track = myMeta.tracks[currentPacket.getTrackId()];
     

src/output/output_srt.cpp

@@ -33,7 +33,7 @@ namespace Mist {
   
   void OutProgressiveSRT::sendNext(){
     char * dataPointer = 0;
-    int len = 0;
+    unsigned int len = 0;
     currentPacket.getString("data", dataPointer, len);
     std::stringstream tmp;
     if(!webVTT) {

src/output/output_ts.cpp

@@ -61,7 +61,7 @@ namespace Mist {
     bool IsKeyFrame = false;
     
     char * dataPointer = 0;
-    int dataLen = 0;
+    unsigned int dataLen = 0;
     currentPacket.getString("data", dataPointer, dataLen);
     
     //detect packet type, and put converted data into ToPack.